One of the most popular team sports in the Winter Olympics is hockey. More than just a physical game, for scientists, it's a showcase for physics on ice--especially when it comes to the slapshot. Three-time Olympian Julie Chu, Thomas Humphrey, a senior scientist at the Exploratorium in San Francisco, and Katharine Flores, an associate professor in the department of materials science and engineering at Ohio State University, break down the science of hockey's hardest shot.